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논문 기본 정보

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학술저널
저자정보
Kim, Myung-A (Department of Internal Medicine, Seoul Metropolitan Boramae Medical Center, Seoul National University College of Medicine) Lee, Chang-Hoon (Department of Internal Medicine, Seoul Metropolitan Boramae Medical Center, Seoul National University College of Medicine) Kim, Deog-Kyeom (Department of Internal Medicine, Seoul Metropolitan Boramae Medical Center, Seoul National University College of Medicine) Chung, Hee-Soon (Department of Internal Medicine, Seoul Metropolitan Boramae Medical Center, Seoul National University College of Medicine)
저널정보
대한결핵 및 호흡기학회 Tuberculosis and Respiratory Diseases 결핵 및 호흡기 질환 제69권 제6호
발행연도
2010.1
수록면
418 - 425 (8page)

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Background: Little is known about the long-term effects of angiotensin-converting enzyme (ACE) treatment on post-tuberculosis emphysema. This study evaluated the effects of ACE inhibition on cardiac function and gas exchange in patients with post-tuberculosis emphysema. Methods: At baseline and at 6 months after initiation of ACE inhibition therapy, patients underwent pulmonary function testing, arterial blood gas analysis, and echocardiography, both at rest and post exercise. Cardiac output (CO) and right ventricular ejection fraction (RVEF) were measured at those time points as well. Results: After ACE inhibition; resting and post-exercise RVEF ($Mean{\pm}SEM,\;61.5{\pm}1.0,\;67.6{\pm}1.2%$, respectively) were higher than at baseline ($56.9{\pm}1.2,\;53.5{\pm}1.7%$). Resting and post-exercise CO ($6.37{\pm}0.24,\;8.27{\pm}0.34L/min$) were higher than at baseline ($5.42{\pm}0.22,\;6.72{\pm}0.24L/min$). Resting and post-exercise $PaO_2$ ($83.8{\pm}1.6,\;74.0{\pm}1.2mmHg$, respectively) were also higher than at baseline ($74.2{\pm}1.9,\;66.6{\pm}1.6mmHg$). Post-exercise $PaCO_2$($46.3{\pm}1.1mmHg$) was higher than at baseline ($44.9{\pm}1.1;\; Resting\;42.8{\pm}0.8\;vs.\;42.4{\pm}0.9mmHg$). Resting and post-exercise A-a $O_2$ gradient ($12.4{\pm}1.4,\;17.8{\pm}1.5 mmHg$) were lower than at baseline ($22.5{\pm}1.5,\;26.9{\pm}1.6mmHg$). Conclusion: In post-tuberculosis emphysema, RVEF and CO were augmented with a resultant increase in peripheral oxygen delivery after ACE inhibition. These findings suggest that an ACE inhibitor may have the potential to alleviate co-morbid cardiac conditions and benefit the patients with post-tuberculosis emphysema.

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